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### Grade 3 - Mathematics8.12 Area and Perimeter

 Area of a square is side x side. Perimeter of a square is 4 x side. Area of rectangle is width x height. Perimeter of rectangle is 2(length + width) Perimeter of an equilateral triangle is 3 x side. Example: What is the perimeter of a rectangle whose width is 2 cm and height is 5 cm. Perimeter = 2(width + height) Perimeter = 2(2 + 5 ) Perimeter = 2(7) Answer: 14 cm Directions: Answer the following. Also draw at least five examples of triangle, square and a rectangle and find its area and perimeter.
 Q 1: An equilateral triangle has side 3 cm. What is its perimeter?396 Q 2: The area of a figure is the number of square units that cover its surface.FalseTrue Q 3: A square has sides of 4 cm. What is its area?4 x 2 = 8 sq cm4 x 1 = 4 sq cm4 x 4 = 16 sq cm Q 4: A triangle has sides of 3cm, 4cm and 3 cm. What is the perimeter?12 cm11 cm10 cm Question 5: This question is available to subscribers only! Question 6: This question is available to subscribers only!